/
bndIntervalYMSlice.go
115 lines (107 loc) · 3.89 KB
/
bndIntervalYMSlice.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
// Copyright 2014 Rana Ian. All rights reserved.
// Use of this source code is governed by The MIT License
// found in the accompanying LICENSE file.
package ora
/*
#include <oci.h>
#include "version.h"
*/
import "C"
import (
"unsafe"
)
type bndIntervalYMSlice struct {
stmt *Stmt
ocibnd *C.OCIBind
ociIntervals []*C.OCIInterval
}
func (bnd *bndIntervalYMSlice) bind(values []IntervalYM, position int, stmt *Stmt) error {
bnd.stmt = stmt
bnd.ociIntervals = make([]*C.OCIInterval, len(values))
nullInds := make([]C.sb2, len(values))
alenp := make([]C.ACTUAL_LENGTH_TYPE, len(values))
rcodep := make([]C.ub2, len(values))
for n, value := range values {
r := C.OCIDescriptorAlloc(
unsafe.Pointer(bnd.stmt.ses.srv.env.ocienv), //CONST dvoid *parenth,
(*unsafe.Pointer)(unsafe.Pointer(&bnd.ociIntervals[n])), //dvoid **descpp,
C.OCI_DTYPE_INTERVAL_YM, //ub4 type,
0, //size_t xtramem_sz,
nil) //dvoid **usrmempp);
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
} else if r == C.OCI_INVALID_HANDLE {
return errNew("unable to allocate oci interval handle during bind")
}
r = C.OCIIntervalSetYearMonth(
unsafe.Pointer(bnd.stmt.ses.srv.env.ocienv), //void *hndl,
bnd.stmt.ses.srv.env.ocierr, //OCIError *err,
C.sb4(value.Year), //sb4 yr,
C.sb4(value.Month), //sb4 mnth,
bnd.ociIntervals[n]) //OCIInterval *result );
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
if values[n].IsNull {
nullInds[n] = C.sb2(-1)
} else {
nullInds[n] = C.sb2(0)
}
alenp[n] = C.ACTUAL_LENGTH_TYPE(unsafe.Sizeof(bnd.ociIntervals[n]))
}
r := C.OCIBINDBYPOS(
bnd.stmt.ocistmt, //OCIStmt *stmtp,
(**C.OCIBind)(&bnd.ocibnd), //OCIBind **bindpp,
bnd.stmt.ses.srv.env.ocierr, //OCIError *errhp,
C.ub4(position), //ub4 position,
unsafe.Pointer(&bnd.ociIntervals[0]), //void *valuep,
C.LENGTH_TYPE(unsafe.Sizeof(bnd.ociIntervals[0])), //sb8 value_sz,
C.SQLT_INTERVAL_YM, //ub2 dty,
unsafe.Pointer(&nullInds[0]), //void *indp,
&alenp[0], //ub2 *alenp,
&rcodep[0], //ub2 *rcodep,
0, //ub4 maxarr_len,
nil, //ub4 *curelep,
C.OCI_DEFAULT) //ub4 mode );
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
r = C.OCIBindArrayOfStruct(
bnd.ocibnd,
bnd.stmt.ses.srv.env.ocierr,
C.ub4(unsafe.Sizeof(bnd.ociIntervals[0])), //ub4 pvskip,
C.ub4(C.sizeof_sb2), //ub4 indskip,
C.ub4(C.sizeof_ub4), //ub4 alskip,
C.ub4(C.sizeof_ub2)) //ub4 rcskip
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
return nil
}
func (bnd *bndIntervalYMSlice) setPtr() error {
return nil
}
func (bnd *bndIntervalYMSlice) free(n int) {
defer func() {
recover()
}()
C.OCIDescriptorFree(
unsafe.Pointer(bnd.ociIntervals[n]), //void *descp,
C.OCI_DTYPE_INTERVAL_YM) //ub4 type );
}
func (bnd *bndIntervalYMSlice) close() (err error) {
defer func() {
if value := recover(); value != nil {
err = errR(value)
}
}()
for n := range bnd.ociIntervals {
bnd.free(n)
}
stmt := bnd.stmt
bnd.stmt = nil
bnd.ocibnd = nil
bnd.ociIntervals = nil
stmt.putBnd(bndIdxIntervalYMSlice, bnd)
return nil
}